BDCB_CALLBACK_TYPE enumeration

The BDCB_CALLBACK_TYPE enumeration specifies whether the callback being passed to a BOOT_DRIVER_CALLBACK_FUNCTION routine is a status update or a boot-start driver initialization notification.

Syntax


typedef enum _BDCB_CALLBACK_TYPE { 
  BdCbStatusUpdate,
  BdCbInitializeImage
} BDCB_CALLBACK_TYPE;

Constants

BdCbStatusUpdate

A status update provided by the system to a boot-start driver.

BdCbInitializeImage

A boot image is about to be initialized. During this callback, boot-start drivers may classify a boot image as a known good image or a known bad image.

Remarks

The two callback types have unique context structures that provide additional information specific to the callback.

Value Corresponding structure to use

BdCbStatusUpdate

BDCB_STATUS_UPDATE_TYPE

BdCbInitializeImage

BDCB_CLASSIFICATION

 

Requirements

Version

Available starting with Windows 8.

Header

Ntddk.h (include Ntddk.h)

See also

BOOT_DRIVER_CALLBACK_FUNCTION
BDCB_STATUS_UPDATE_TYPE
BDCB_CLASSIFICATION

 

 

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